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HOMESERVICE MANUALSSUZUKI2005RENO EXREPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANSAUTOMATIC TRANSMISSIONDIAGNOSTIC INFORMATION AND PROCEDURESSYMPTOM DIAGNOSISOIL LEAKAGE
2005 Suzuki Reno EX

Oil Leakage

2005 Suzuki Reno EXSECTION Oil Leakage
NOTE: Careful localization of leakage points may make it possible to prevent incorrect or cost-intensive repairs.

Test Steps : 

  • Thoroughly clean the transaxle, engine, and surrounding area (using a steam jet, for example).
  • To locate leakage, use a suitable identifying spray or similar product.
  • Depending on the amount of leakage, take the car for a short or a longer test drive - It may prove sufficient to place the car on a hoist and run the engine at idle speed to trace the leak.
  • If possible, determine exactly which type of oil is escaping.
SYMPTOM DIAGNOSIS - OIL LEAKAGE

Symptom Possible Cause Action
Transaxle Oil Leakage Oil Pump (Torque Converter Sealing)
  • Visually check torque converter sealing.
  • Replace the converter sealing as described in the transaxle repair on the vehicle service.
Crankshaft Sealing Ring
  • Check whether engine oil or TFT is leaking out.
  • If leak is engine oil, replace the sealing ring as described in the engine repair instruction.
Torque Converter
  • Visual check.
  • Fit an exchange converter as described in the repair instruction
Oil Content Too High
  • Check oil level (TFT and axle oil) as described in this chapter.
  • Correct oil level, and recheck after a test drive.
NOTE: Comply with the measuring procedure (filling procedure) in the repair instruction. Check the oil level at the overflow plug adjust to proper level if necessary.
O-ring at Bolt Head Damaged or Missing
  • Check O-ring.
  • Replace O-ring as described in the repair instruction.
Shaft Seal
  • Visually check the shaft seal.
  • Replace the sealing ring as described in the repair instruction.
Hose Clamp Loose
  • Check to ensure that the hose clamp fits tightly.
  • If necessary, retighten clamp.
Oil Pan Gasket Not Installed Properly
  • Check to see if the gasket was positioned properly.
  • Install gasket properly as described in the repair instruction.
Oil Pan Gasket Damaged
  • Check the gasket visually.
  • Replace gasket as described in the repair instruction.
Bolt at Bracket Loose
  • Check the Tightening Torque
  • Retighten bolt
Sealing Ring at Oil Dipstick
  • Check O-ring.
  • If necessary, replace O-ring.
Sealing Ring Near End-Cover Connection Defective
  • Check sealing rings.
  • Put in new sealing ring Check O-ring as described in the repair instruction.
Sealing Ring Selector Shaft
  • Check sealing ring.
  • Replace sealing ring as described in the repair instruction.
O-ring at Socket Outlet
  • Check O-ring.
  • Replace O-ring as described in the repair instruction.
O-ring and Speed Sensor Connection
  • Check O-ring.
  • Replace O-ring as described in the repair instruction.
Oil Leak Incorrectly Identified
  • No oil leak is possible at this point.
Speed Sensor Itself Is Leaking
  • Check speed sensor.
  • Replace speed sensor as described in the repair instruction.
Hair Line Crack at the Piping in the Connection Area, Sealing Ring Fit in Transaxle Housing
  • Pressurize the line with compressed air and check it. Replace lines as described in the repair instruction.
O-ring Defective, Incorrect
  • Check O-ring.
  • Replace O-rings as described in the repair instruction.
Plug Loose
  • Check the Tightening Torque for the screw plug.
  • Tighten to torque specified in the repair instruction.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.